login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A036180
Log base 5 (n) mod 97.
0
0, 34, 70, 68, 1, 8, 31, 6, 44, 35, 86, 42, 25, 65, 71, 40, 89, 78, 81, 69, 5, 24, 77, 76, 2, 59, 18, 3, 13, 9, 46, 74, 60, 27, 32, 16, 91, 19, 95, 7, 85, 39, 4, 58, 45, 15, 84, 14, 62, 36, 63, 93, 10, 52, 87, 37, 55, 47, 67, 43, 64, 80, 75, 12, 26, 94, 57, 61, 51, 66, 11, 50, 28, 29, 72, 53, 21, 33, 30, 41, 88, 23, 17, 73, 90, 38, 83, 92, 54, 79, 56, 49, 20, 22, 82, 48
OFFSET
1,2
REFERENCES
I. M. Vinogradov, Elements of Number Theory, p. 225.
LINKS
I. M. Vinogradov, Elements of Number Theory, Translation of 5th revised edition, Dover Publications Inc., 1954, p. 225.
FORMULA
Row n=25 of T(n,k) in A054503. - Georg Fischer, Jan 19 2020
MATHEMATICA
a[1]=0; a[n_]:=MultiplicativeOrder[5, 97, {n}]; Array[a, 96] (* Vincenzo Librandi, Mar 28 2020 *)
CROSSREFS
Cf. A054503.
Sequence in context: A259887 A028381 A277113 * A063331 A044136 A044517
KEYWORD
nonn,fini,full
AUTHOR
EXTENSIONS
a(60)-a(96) from Georg Fischer, Jan 19 2020
STATUS
approved